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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/bisharaa27	2023-11-30	Post	`7`	English (Native)	Arabic, Chinese
u/ushitomikado	2023-12-16	Post	`7`	English (C1)	Arabic, Chinese
u/financial_debt6511	2023-12-28	Post	`7`	English	Arabic, Chinese
u/icy_computer813	2023-11-10	Post	`5`	English	Arabic
u/medical-ad7397	2023-11-28	Post	`5`	English	Arabic

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