en_tn_condensed/mrk/01/14.md

after John was arrested

"after John was placed in prison." Mark is referring to when King Herod had John arrested. This can be stated in active form. Alternate translation: "after King Herod had John arrested" or "after soldiers arrested John" (See: rc://en/ta/man/jit/figs-explicit and rc://en/ta/man/jit/figs-activepassive)

proclaiming the gospel

"telling many people about the good news"