RUSSIAN LANGUAGE CLUB

Sometimes in announcements or official documents you can see complex words that resemble verbs, but have adjective endings. For example, "приезжающие" or "закрытый" . This are participle - an attributive form of a verb, or a word that combines a verb and an adjective.

Его, Её and Их - these are possessive pronouns. Его, Её and Их - these are personal pronouns. And where is what pronoun, you can understand with the context.