Exegesis:

kai prosetheto heteron pempsai doulon lit. ‘and he went on to send another slave,’ i.e. ‘again he sent a slave.’

atimasantes lit. ‘after humiliating (him).’

atimazō ‘to dishonour,’ ‘to treat shamefully,’ ‘to humiliate.’

Translation:

He sent another (or a second) servant, or, ‘again (or, for the second time) he sent a servant (of his).’

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.