"Do you see a young person?"
Translation:Te látsz egy fiatalt?
I don't know what you're exactly referring to, but I guess you mean something like "Ti láttok egy fiatalt", right?
Well, ti simply is the plural 'you' form, if you're talking to multiple people. The respective conjugation (present tense, indefinite) has the suffix -(o)tok / -(e)tek / -(ö)tök. (So it mostly looks like the én form with an additional t.)