I found the following users who may fit your language exchange criteria:

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/immastealyogranny	2020-08-09	Post	`7`	French (B2)	English, French
u/iknowwhatyoudided	2020-05-30	Post	`7`	French	English, French
u/helixwildcat	2020-07-11	Post	`5`	French	French
u/liseiria	2020-07-13	Post	`5`	French	English
u/efficient_reindeer	2020-07-23	Post	`5`	French (Native)	English