Have you seen the Capital One Financial ads, asking the customer, “What's in your wallet?” It’s meant to convince potential customers that we need to have a Capital One credit card in our personal wallet.I think a question we can ask each other is, “Who’s in your cloud of witnesses?” (Hebrews 11), or who are the faith heroes we look to as role models to follow for life and ministry?Helen Roseveare is one of my heroes. Her wisdom has soaked over my life as I’ve read her books and listened to talks she gave during her life. I’ve kept her words in the pocket of my heart, so to speak, and the dividends have enriched my relationship with Christ and ministry.Helen was a British missionary, doctor, and author. She worked in the Congo from 1953 to 1973, including part of the period of political instability in the early 1960's. She practiced medicine and trained others in medical work. She remained single until she met her eternal Bridegroom face to face in 2016 at the age of ninety-one.Here are three (of many!) ways Helen has discipled me to follow Christ more faithfully:Humor can be a godly tool in our ministry tool belt. Helen was funny! She was able to poke fun at herself and life itself in a way that softened the hearts of her audience. I appreciate that she used humor not to shame others, self-exalt, or self-deprecate but rather to reveal her humanity in a way that lifted the gaze of her audience to Christ and the cross...