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

Username	Date	Post Link	Relevance	Offered Matches	Sought Matches
u/saulty27	2021-05-08	Post	`5`	Dutch	French
u/qchamberlain	2021-04-21	Post	`5`	Dutch (Native)	Japanese
u/dahdelion	2021-05-28	Post	`5`	Dutch	Japanese
u/fisherley	2021-04-26	Post	`4`	---	French, Japanese
u/shit_lover662	2021-04-29	Post	`4`	---	French, Japanese

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