Learn how to say Shriven correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word shrive:
verb (past shrove /ʃrəʊv/; past participle shriven /ˈʃrɪv(ə)n/)
[with object] archaic
(of a priest) hear the confession of, assign penance to, and absolve:
none of her chaplains knew English or French enough to shrive the king
(shrive oneself) present oneself to a priest for confession, penance, and absolution.
Old English scrīfan ‘impose as a penance’, of Germanic origin; related to Dutch schrijven and German schreiben ‘write’, from Latin scribere ‘write’