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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/raglibol	2025-01-15	Post	`7`	German (Native)	Arabic, English
u/mastergrenadierhavoc	2025-03-18	Post	`5`	German	Arabic
u/artistic_news_5595	2025-03-03	Post	`5`	German (Native)	English
u/clean-vermicelli7821	2025-03-17	Post	`5`	German	Arabic
u/dependent_style_6640	2025-01-28	Post	`5`	German (Native)	English

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