In 2011, Betolngar was the highest paid athlete from Chad, making an annual salary of $21,500 (USD) with FK Metalac Gornji Milanovac.
[1] Betolngar began his career in Chad by Renaissance FC in his hometown N'Djamena where he became the league's top scorer in 2005.
[2] He then played for Union Douala and was the top scorer of the Cameroon Première Division during the season 2007.
[10] After short spells with Serbian second level sides FK Borac Čačak and Sloga Kraljevo, Betolngar returned to Chad and joined his former club Renaissance in 2015, where he finished his career after playing the whole 2015 season, being the team's captain.
[3] Betolngar was a member of Chad national football team and has played over 20 games during his international career.