Turkish language is their native language. Also they can understand many words from other Turkic languages like Azerbaijani , Kazakh , Kirghiz, Turkmen Turkish.
Some Turkish people can speak English, mostly the ones that live in America. But some Turkish people can also speak Kurdish, another type of language spoken in Turkey.
Arabic is mainly spoken in the Middle East, and there are different dialects. Egyptian Arabic is different, but not much, from Arabic spoken in Saudi Arabia. Even in mostly Arabic speaking counties...