What does Private R M L 1 mean as an 1880 rank?

In the context of military ranks in 1880, "Private R M L 1" likely refers to a Private in the Royal Marine Light Infantry, which was a branch of the British Royal Marines. The designation "1" may indicate a specific company or battalion within that unit. The rank of Private denotes the lowest enlisted rank, typically responsible for basic duties and tasks within the military structure.