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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/bambish00	2020-09-17	Post	`8`	Arabic, Spanish	English
u/shinamorooru	2020-07-26	Post	`8`	Spanish (Native), Japanese	English
u/wicomp	2020-08-19	Post	`8`	Arabic, Spanish	English
u/user_whatevs	2020-08-13	Post	`6`	Spanish (Native), Japanese	---
u/imdeadimgone	2020-08-29	Post	`6`	Arabic, Spanish	---

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