For Yakobo Ng´ombe in his role as pastor, it was important to preach the gospel and to win others for Jesus Christ. Counseling in the parish, hospitals, and prisons as well as teaching Christian education and baptism courses were part of his service.
Wajibu wa Yakobo Ng'ombe kama mchungaji, ilikuwa ni muhimu kuhubiri Injili na kuwapata wengine kuwaleta kwa Yesu Kristo. Ushauri katika usharika, hospitali, na magereza pia kufundisha elimu ya kikristo na kozi za kubatiza ilikuwa ni wajibu wake pia.