Radical 足
13 strokes
foot 足 (280) + stubborn 艮 (281a) = with 跟
This means “with” in the sense of “together with” (not as in “writing with a pen”).
[跟前 (90) gēnqián in front of; close to]

(Think of this as a continuation of the previous story) The landowner puts his foot stubbornly in the door (at the police station). “I’m going to stay here until you come with me. / There’s a giant on my land threatening to blow things up with gunpowder!”