'Deserted' in the Bible

But Paul kept insisting that they should not take him along who had deserted them in Pamphylia and had not gone with them to the work.

for Demas, having loved this present world, has deserted me and gone to Thessalonica; Crescens has gone to Galatia, Titus to Dalmatia.

At my first defense no one supported me, but all deserted me; may it not be counted against them.