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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/estelionz	2023-09-24	Post	`10`	Arabic, Spanish	Arabic, English
u/gokhanyahya	2023-10-28	Post	`8`	Arabic, Spanish	English
u/benjaminska90	2023-09-13	Post	`7`	Spanish	Arabic, English
u/cool_explorer_2260	2023-09-09	Post	`6`	Arabic, Spanish	---
u/no_huckleberry5049	2023-09-15	Post	`6`	Arabic, Spanish	---

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