Arnold Koster, age 87, of Grand Rapids was called home by his Heavenly Father on Sunday, November 13, 2022. He was born January 14, 1935, in Grand Rapids to the late Isaac and Tina (Dreyer) Koster. He married the former Joyce Schipper on September 11, 1959. Arnold worked at Pine Rest and Hope Network as an L.P.N. for 40 years, before retiring. He also worked for the Kent County Sheriff Department where he volunteered and taught First Aid and CPR. Arnold enjoyed camping, fishing, and gardening. He was a former member of Immanuel Christian Reformed where he served as elder. Surviving alongside his wife, he leaves a daughter, Audrey (Jim) Jagt; a son, Alan Koster. He was predeceased by a son, Jeffery Koster; daughter-in-law, Jill Koster. A memorial service will be held Saturday, November 19, 2022 at Heather Hills at 10 a.m.