Jérent was born in Guadeloupe, and learnt fencing in Pointe-Noire before joining the centre for promising young fencers in Reims and transferring to Lagardère Paris Racing.

[1] Jérent began fencing in the senior category from the 2009–10 season, reaching the table of 16 at the 2010 Tallinn World Cup.

He reached the quarter-finals in the Tallinn World Cup, where he was defeated by Gauthier Grumier,[2] and won the team France championship with Rodez.

[citation needed] He made his breakthrough in the 2013–14 season by winning the Paris World Cup after prevailing over fellow countryman Alexandre Blaszyck.

[3] At the 2013 European Fencing Championships in Zagreb Jerent made his way to the final, overcoming Olympic silver medallist Bartosz Piasecki along the way.