third party(someone not directly involved in a transaction.) noun [UK: ˈθɜːd ˈpɑː.ti] [US: ˈθɝːd ˈpɑːr.ti]
third person(the form of a verb used when the subject of a sentence is not the audience or the one making the statement) noun [UK: ˈθɜːd ˈpɜːs.n̩] [US: ˈθɝːd ˈpɝː.sn̩]