How to pronounce“serant”in English

As Archbishop Dominico Serantino is responsible for overseeing Carlos' relics. This relic is a small piece of Carlos

The ancient usage established and observed by night serant being to take off the brittle and hang it on the settle bow, but to remove the saddle

has, and the rule he follows, that night serant must not live or sustain themselves on anything except dried fruits and the herbs of the field.