He was trying to see who Jesus was, but could not see over the crowd because he was small in stature.
Καὶ ἐζήτει ἰδεῖν τὸν Ἰησοῦν τίς ἐστι, καὶ οὐκ ἠδύνατο ἀπὸ τοῦ ὄχλου, ὅτι τῇ ἡλικίᾳ μικρὸς ἦν.