tailer

Etymology

From tail + -er.

tailer means one who follows or tails surreptitiously, as an investigator. Lexicurio rates it Sui generis — a strength score of 87 out of 100.

noun

One who follows or tails surreptitiously, as an investigator.“I had to concentrate on staying out of sight, yet close enough not to be stranded on the wrong side of a stoplight. I was working so hard at it that I didn't notice that the tailer had become the tailee.”
A worker on a yacht, responsible for furling and setting the sails.“The next step was the invention of the self-tailing device, whereby the need for a tailer, holding the sheet or halyard while another person operated the winch, was eliminated.”
A large noose with a long handle intended to secure a fish's tail.
A fish bottom-feeding in shallow water with its tail out of the water.