“refuse / cut off” in Japanese is 断, read dan, kotowa, ta (だん, ことわ, た). It is a Grade 5 Kyōiku kanji, taught in year 5 of Japanese elementary school, and appears in words such as 決断 (decision).
What does 断 mean?
さそいを断る。
Same sound, different character — the classic trap. Compare them side by side: