Robert J. Ruster, Sr., age 76, of Spring Lake, MI passed away unexpectedly on December 17, 2017. He was born on July 4, 1941 in Kalamzoo, MI. He is the son of John P. Ruster and Joanne VanWoerkom Ruster. In 1961 he married his high school sweetheart, Joyce Rottier. He taught at Fruitport High for 30 years and coached baseball for 23 years. He also was an independent insurance agent for many years. He was a member of the Fruitport Christian Reformed Church and served as a deacon and elder. Along with his twin brother, Ronald, he was a proud member of the 1959 Kalamazoo Christian High School State Championship basketball team. He enjoyed golfing, walking and the Detroit Tigers. He served for over 10 years as a victim's advocate for the Ottawa County Sheriff's Department. Most important to him was his family, friends and nine grandchildren. He is survived by his loving wife of 56 years, Joyce; children, Robin Ruster Bell, R.N., Dr. Brian A. (Catherine) Ruster and Sgt. Robert J. (Jackie) Ruster, Jr.; nine grandchildren, Joshua Bell, Jessica Bell, Jacob Bell, Owen Ruster, Erin Ruster, Beau Ruster, Grant Ruster, Zacharie Ruster, Levi Ruster; twin brother, Ronald (Shirley) Ruster; sister, Mary Beth DeKoning. VISITATION with the family will take place on Thursday, December 21, 2017, at The Lee Chapel, 6291 S. Harvey St. Norton Shores, MI 49444 (231) 798-1100 from 6:00 9:00 pm. A FUNERAL SERVICE will take place on Friday, December 22, 2017 at 11:00 AM at the funeral home with Pastor John Huyser presiding. Burial will take place in Fruitport Pine Hill Cemetery. For a more lasting memory, donations in Robert's name can be made to either or the Fruitport Christian Reformed Church building fund.