How do I Know?
Here are some helpful links to help you assure your calling:
https://www.biblestudytools.com/bible-study/topical-studies/has-god-called-you-to-ministry.html
http://www.kingjesus.org/preachings/read/five-signs-god-is-calling-you-into-ministry
https://credohouse.org/blog/called-into-ministry-five-questions-to-ask-yourself
What Type of Ministry is Right for Me?
Here is a helpful link to help you find what type of ministry is right for you:
https://www.desiringgod.org/interviews/how-can-i-discern-what-ministry-god-wants-me-to-pursue
