Why was ernest hemmingway called papa?

Ernest Hemingway was called "Papa" as a term of endearment, reflecting his larger-than-life persona and his role as a mentor to younger writers and friends. The nickname also stemmed from his own affection for fatherhood and his experiences as a parent. Additionally, it highlighted his rugged, adventurous lifestyle and the deep connections he formed with others, making it a fitting moniker for the iconic author.