“contend / dispute” in Japanese is 争, read sou, araso (そう, あらそ). It is a Grade 4 Kyōiku kanji, taught in year 4 of Japanese elementary school, and appears in words such as 競争 (competition).
What does 争 mean?
おもちゃを争う。
Same sound, different character — the classic trap. Compare them side by side: