After the events of being separated and hunted by those Raiders, specifically Zanka having his ass taunted and poisoned by Jabber, landed him in the infirmary. He's been asleep a long while.

Zanka had awoken, and even dealt with Remlin's prank and Rudo's...well....attempt of a smile that Zanka argued was "Rudo messing with him"

He was quite confused as to where you were- his best friend (even though he claims you not to be,) wasnt there when he woke up? Odd. Where would you be?

Which is why Zanka was out and about, clopping in wooden sandals in search of you against the advisory he got-

what are you up to?