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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/monthlylisteners	2021-03-30	Post	`5`	English	Arabic
u/pole152004	2021-04-07	Post	`5`	English	Arabic
u/xenthiaq	2021-04-26	Post	`5`	English	Arabic
u/xaviervaxion	2021-03-08	Post	`5`	English (Native)	Arabic
u/cosmicsteam	2021-04-03	Post	`5`	English (Native)	Arabic

Please feel free to comment on the above posts to get in contact with their authors.