ARLINGTON, Va. — Since the war in Ukraine began, Yaroslav Pyzh, a Baptist pastor in Lviv, has worn many hats. He runs the large and growing Ukrainian Baptist Theological Seminary, while overseeing a network of 18 humanitarian aid centers across the embattled country . He’s also become an ambassador of sorts to American evangelicals. Several times a year, he treks to the Polish border and once permitted to leave, travels to the United States to preach about the plight of his country and its need