This comment likely comes from a reflective and sentimental student who has formed deep connections at the University of Waterloo. Let's call him Alex, a final-year Engineering student known for his active involvement in co-op placements and campus events. Alex recently lost a beloved professor who was a mentor and inspiration in his academic journey. The simplicity of "RIP" captures his poignant sense of loss and the impact this individual had on his life, highlighting the close-knit community and relationships that define the Waterloo experience.