godan verb (-ru), intransitive verb
increase; grow; become greater
Intransitive verb meaning to become larger in amount, degree, or intensity. Often used in formal or written contexts; in casual speech, 増える (ふえる) is more common.
需要が増さるにつれて、価格も上がった。
As demand increased, prices also rose.
彼
His efforts strengthened the team's unity.