Afterwards, he moved to the United States, where he played youth soccer with Chicago Magic SC and won 2015 U-17 US National Youth Championship.[6] He attended Berkshire School in Sheffield, Massachusetts, where he was named to the High School All-America game Best XI, in his senior year.[2] At Berkshire, he was on the soccer and track teams with his future Black Rock FC and Toronto FC teammate Jacob Shaffelburg.[7]
After high school, Achara attended Georgetown University and played four seasons with the Hoyas in the Big East Conference of the NCAA. He was plagued by injuries throughout his four seasons causing him to miss several games each season.[6] In his junior season, Achara was a First Team All-Big East honoree and a Second Team All-East Region selection.[8] In 2019, he was named a team captain in his senior season,[9] helping them win the 2019 NCAA title,[10] which was the school's first national championship in its program history,[11] and was named to the All-Big East Second Team.[8] Over his four-year career with the Hoyas, he scored 21 goals and seven assists in 55 games.[11]
Achara appeared for USL PDL side GPS Portland Phoenixin2016 where he scored six goals in eight matches and helped lead them to win the PDL Northeast Division.[12]
While at Georgetown, Achara played with Black Rock FCinUSL League Twoin2018 and 2019 where he served as the team captain for both seasons.[13][14] He finished as the joint leading scorer for the team in 2018 with eight goals, tied with Jacob Shaffelburg, as the team won the PDL Northeast Division title.[15] He was named to the PDL Eastern All-Star team in 2018.[16] While at Black Rock, he was ranked as the #13 Top Prospect in USL League Two.[17]
Achara was selected 25th overall in the 2020 MLS SuperDraftbyToronto FC.[18] After an impressive showing in pre-season, he was signed to the first team on 21 February 2020.[19][20]
Achara made his debut on 7 March 2020, during Toronto FC's season home opener. Achara supplied a man of the match performance. He appeared to score the opening goal in the 11th minute, however the goal would be ruled off-side in a VAR decision.[21] Achara went on to score the only goal of the game in the 81st minute as Toronto beat New York City FC 1–0.[22] During the training camp for the MLS is Back Tournament, following the league stoppage due to the COVID-19 pandemic, Achara tore his ACL, after getting tangled up with teammate Omar Gonzalez during a drill,[23] ending his rookie season after only playing one game.[24][25] After his extended injury absence, he returned to the lineup on August 4, 2021 as a substitute against the Philadelphia Union, 17 months after his last appearance.[26] Achara scored his first goal of the 2021 MLS season and the first since recovering from his ACL injury against CF Montreal August 27, 2021.[27] On December 1, Toronto announced they had picked up Achara's contract option, keeping him with the club for the 2022 MLS season.[28] After the end of the 2022 season, he departed the club, after the club declined his option for 2023.[29]
In the 2022 MLS Re-Entry Draft, he was selected in the second stage by the Houston Dynamo.[30] On 7 December 2022, Achara signed with the Dynamo for their 2023 season, with a club option to extend his stay for 2024.[31][32]
After missing the entire 2023 season due to injury, he signed a one-year contract with the second team, Houston Dynamo 2inMLS Next Pro, for the 2024 season.[33]
His family still lives in Engu, Nigeria, while his younger brother, Ugo Achara Jr., has a soccer scholarship to Northwestern UniversityinChicago, where he is part of the soccer program.[34] In June 2020, following the murder of George Floyd during the COVID-19 pandemic by four member of the Minneapolis Police Department, he spoke out about racism, which he was not aware of until he went to the United States, noting that the way one is treated there boils down to skin colour, and it's sad that is still an issue in society.[4] In October 2020, he started a campaign to raise money for the End SARS campaign to disband the Nigerian Special Anti-Robbery Squad that has a long history of committing abuses.[35]
