This is the 5046th most frequent Turkish word.
gözüken
"Appearing" or "seeming."
In this sentence, 'gözüken' is used as an adjective derived from the verb 'gözükmek' (to appear). It describes 'kişi' (person) as 'the person that appeared'.
Gözüken kişi kimdi?
Who was the person that appeared?
Here, 'gözüken' serves as an adjective qualifying 'işaret' (sign), implying the sign that is visible.
Gözüken işaret, yanlış yöne gitmemizi öneriyor.
The sign that seems visible suggests us to go in the wrong direction.
In this context, 'gözüken' modifies 'problem' to denote 'the problem that appears or is apparent'.