lagger

noun7

1. •
   One who or that which lags behind; a laggard.

   • The economic time series can be segregated into leaders, laggers and coinciders in relation to movements in aggregate economic activity. — 1984
2. •
   (informal) A player who lags (has a poor or slow network connection).
3. •
   One who installs lagging.

   • In particular, Turner & Newall doggedly contested any claims from the largest high-risk group outside the scheduled factory areas — the laggers. — 2001
4. •
   A marker used in the game of hopscotch.

   • Laggers, Dear Readers, in case you grew up ignorant of hopscotch, are the markers you use when playing the game. — 2015
5. •
   (slang) A police informant.
6. •
   (slang) A sailor.
7. •
   (slang) A member of support staff responsible for contacting lawyers to check how a case is progressing.