Partner
Noun
はいぐうしゃ
新しい配偶者を探そうかとずっと考えているんです。
I’ve been thinking about looking for a new spouse.
Distribute yourself accidentally to someone. That person ended up becoming your spouse. You distributed yourself to one person a little too much, it seems.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.