Jude 1:22

And of some have compassion
That is, of such who have gone astray, being drawn aside; who are simple and ignorant, and out of the way; who sin through infirmity, and the force of temptation; and who are tractable and open to conviction, and whose mistakes are in lesser matters of religion; as also such who are convicted and wounded in their consciences for their sins and mistakes: and to these compassion is to be shown, by praying with them, and for them, with ardency and affection; instructing them in meekness; giving friendly and brotherly reproofs to them; expressing on all occasions a tender concern for their good; doing them all the good that can be done, both for their souls and bodies: and good reason there is why compassion should be shown them, because God is a God of compassion; Christ is a merciful high priest; a contrary spirit is grieving to the Holy Ghost; saints should consider what they themselves were, and what they now are, and that compassion has been shown to them, and they may want it again. The Alexandrian copy, and some others, and the Vulgate Latin and Ethiopic versions, read, "reprove".

Making a difference;
between one and another; using some more tenderly, others more severely, as the nature and circumstances of their case appear to be. The Syriac version renders the whole, "when they repent, have compassion on them".