Come learn 2000+ kanji and 6000+ vocabulary words with WaniKani.
Each Other, Reciprocal, Together
Despite it looking like an adjective, this is the noun version of the kanji, making it mutual. It also means each other and reciprocal and together, too.
Let's help each other. Maybe if we work together we can get rid of this tagger (たが) tagging graffiti all over our neighborhood.
The two people said, "Here, take my seat," to each other.