How to pronounce “boniface” in English

For example, here's a little joke that was published in Harper's. "I was perambulating the piazza of the blank Hotel, in company with the daughter of the landlord. She hadbeen recounting to me all her father's little successes and reverses in life ever since he had adopted the profession of a Boniface, and among the latter, that is, the reverses,the rather prominent and discouraging one of having his 'hostelrie' burned down without the mitigating circumstance of any insurance upon it.