Difference between Hang Around and Lurk

HANG AROUND vs LURK: NOUN

Lie in wait, lie in ambush, behave in a sneaky and secretive manner
Be about
Wait in hiding to attack
To remain concealed in order to ambush
To remain unobserved
To hang out or wait around a location, preferably without drawing attention to oneself
To view an internet forum without posting comments

To keep out of sight.
To lie hidden; to lie in wait.
To read but not contribute to the discussion in a newsgroup, chatroom, or other online forum.
To exist unobserved or unsuspected.
To move furtively; sneak.
To wait out of view.

To lie in concealment; hide or keep out of sight, as for ambush or escape; skulk.
To be latent or undisclosed; be withdrawn from open manifestation; exist unperceived or unsuspected.
To monitor a web forum or similar without making your presence pubilc
Be about a place without any apparent purpose

Bum around, Loiteringly, Hang about, Mill around, Mill about, Mess about, Lallygag, Footle, Loaf, Lounge, Tarry, Lurk, Loiter, Linger, Lollygag

Mill about, Lie in wait, Mess about, Lallygag, Lounge, Ambuscade, Ambush, Scupper, Bushwhack, Lollygag, Tarry, Waylay, Loiter, Skulk, Linger

Bum around, Loiteringly, Hang about, Mill around, Mill about, Mess about, Lallygag, Footle, Loaf, Lounge, Tarry, Lurk, Loiter, Linger, Lollygag

Mill around, Mill about, Mess about, Lie in wait, Lallygag, Hang around, Footle, Lounge, Ambush, Scupper, Lollygag, Tarry, Loiter, Skulk, Linger

Fellows who hang around the man nobody noes.
It likes to hang around for a while.
LOVE doing these to hang around our classroom.
He had let me hang around his family.
Every Keralites all around the globe welcomes Vishu with celebrations along with Easter, as the dates hang around like intimate friends.
Just gather a few cozy chairs, pass around the throw blankets, and your neighbors will be set to hang around all night long.
Direct mail can hang around for a while and often gets passed around the office or the household.
If you need constant reminders of liberal hypocrisy, just hang around, as there will be another one right around the corner.
Jones: But they pretty much hang out, hang around together?
Locals hang around on their boat docks whilst guests hang around in lake entrance parks to take in the boat parade.

And inflation fears still lurk just below the surface.
Behind each tree or log might lurk a savage.
What may lurk beneath our toes in the surf?
Even worse, dangerous dancing adversaries lurk in the shadows!
Qaeda still lurk near the permeable Afghan border.
Highly accurate ballistic missiles lurk in every theater.
Core Rulebook IIIFearsome and formidable foes lurk within.
But the virus can lurk in dormant mosquitoes.
Remove any bruised areas where bacteria may lurk.
Nary Hungummory Poses the Question, Does Essential Savagery Lurk Beneath the Skin of Civilization, or Does Essential Civilization Lurk Beneath the Skin of Savagery?