Jamieson, Fausset and Brown on Titus 1:8

8. lover of hospitality--needed especially in those days (Ro 12:13; 1Ti 3:2; He 13:2; 1Pe 4:9; 3Jo 5). Christians travelling from one place to another were received and forwarded on their journey by their brethren.

lover of good men--Greek, "a lover of (all that is) good," men or things (Php 4:8, 9).

sober--towards one's self; "discreet"; "self-restrained" [Alford], (see on 1Ti 2:9).

just--towards "men."

holy--towards God (see on 1Th 2:10).

temperate--"One having his passions, tongue, hand and eyes, at command" [Chrysostom]; "continent."