Exegesis:

apēggeilan de autō ‘they told him,’ without indication of subject.

Iēsous ho Nazōraios parerchetai ‘Jesus the man from Nazareth is passing by,’ direct speech introduced by hoti. parerchomai is virtually equivalent to diaporeuomai in v. 36. Nazōraios is best understood as equivalent to Nazarēnos (cf. 4.34).

Translation:

They told him. The subject may have to become, ‘people,’ ‘those near him,’ if not specified already in v. 36.

Jesus of Nazareth, cf. on 4.34.

Quoted with permission from Reiling, J. and Swellengrebel, J.L. A Handbook on the Gospel of Luke. (UBS Handbook Series). New York: UBS, 1971. For this and other handbooks for translators see here . Make sure to also consult the Handbook on the Gospel of Mark for parallel or similar verses.