2 Timothy 4:14-16:

Alexander the coppersmith did me much evil: the Lord reward him according to his works:
Of whom be thou ware also; for he hath greatly withstood our words.
At my first answer no man stood with me, but all men forsook me: I pray God that it may not be laid to their charge.

See also:

Objection: Paul Left Trophimus at Miletum Sick Instead of Healing Him
Condition: Weakness