Man pages matching name fusermount in section 1:

fusermount.1.en	debian 10 / fuse
fusermount.1.en	debian 10 / fuse3
fusermount.1.en	debian 11 / fuse
fusermount.1.en	debian 11 / fuse3
fusermount.1.en	debian 12 / fuse
fusermount.1.en	debian 12 / fuse3