With an involvement that began in 1949, Michael was for fourteen seasons the club’s team trainer. For fifteen seasons, he served on the club committee, including four years as Vice President. During the 1950s, he led the charge to raise funds for the club. He was named Best Club Man in 1955 and was named trainer of the 75th anniversary team. Lefebvre remained an avid supporter and member of the Old Xavs until his passing early in 2021.