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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/dry_mood5772	2021-12-20	Post	8	Italian (Native), Portuguese	English
u/jinn_6	2021-11-20	Post	6	Greek, Portuguese	---
u/revolutionary-low557	2022-01-06	Post	6	Italian (B2), Portuguese (B1)	---
u/mateuszovic	2021-10-31	Post	5	Portuguese	English
u/mc-pana	2021-11-16	Post	5	Italian	English

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

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^{Hermes: a bot for r/Language_Exchange | Documentation}