Improve ثالثین meaning in English

Is there any meaning of the word ثالثین that needs an edit? Please click that meaning to rewrite it.

mediators

Is there any meaning of the word ثالثین that needs to be removed from the list? Please click that meaning to mark it for deletion.

mediators

Do you want to add a new meaning, definition, and a sentence of the word ثالثین? Please feel free to add.