disperser

noun

1. A substance that stabilizes a dispersion; an emulsifier.
2. A particular kind of bipartite graph.
3. An organism that disperses something, such as seeds, in the environment.

   “Nesting data from dispersers and nondispersers came from the same set of colonies and were thus directly comparable.”

   “Ants are integral components of terrestrial ecosystems, owing to their manifold interactions with other organisms. They serve as seed dispersers for plants (myrmecochory), mutualists with sap-sucking insects (trophobionts), and hosts for a wide range of associate organisms (myrmecophiles) and act as both predator and prey.”