From Longman Dictionary of Contemporary Englishgaolergaol‧er /ˈdʒeɪlə $ -ər/ noun [countable] SCJa British spelling of jailer
Examples from the Corpus
gaoler• She patrolled the aisles like a gaoler and woe betide you if that heavy tread stopped at your desk.• In the islands almost all white men were part of a rigid structure that turned them into guards and gaolers.• He had seemed something like her gaoler.• Two huge gaolers, with the bodies of apes and the faces of cruel mastiffs, padded silently behind them.• The gaoler followed, locking the door behind him.• The gaoler returned hours later with a cup of brackish water, a bowl of badly-cooked meat and hard, stale bread.• The gaolers of Holovich reneged on the agreement, the exchange will not take place.• After these experiences they set out to rebuild the prison system, from the perspective of prisoners turned gaolers. 