Writing help

Temporarily Getting Rid of Characters

Active:
Captured by the enemy
Fighting in a different area
Guarding a captured enemy
Protecting someone in potential danger
Researching the problem
Spying/recon
Training to fight
Watching someone suspicious
With another character (off-screen relationship building)

Passive:
At school/work
Doing a hobby
Hunting for food
Injured/sick/in the hospital
On vacation
Out of the loop (no one told them about the meeting, etc)
Sleeping