olemus
võrgufoorumi postitusi passiivselt lugema, ise postitamata

Wiktionary:
4. (Internet) to read an Internet forum without posting comments or making one's presence apparent.

ülevaateid
https://www.techopedia.com/definition/8156/lurking

https://en.wikipedia.org/wiki/Lurker

https://www.degruyter.com/document/doi/10.1515/9783110473780-015/pdf

vt ka
- varitsema, piiluma