shut-in; stay-at-home; recluse; (lit.) security officer of one's own home
confinement to one's home; being made to stay at home
staying at home (to prevent the spread of illness, etc.); self-quarantine; self-isolation; being on furlough; being temporarily laid off
home-schooling; studying at home
giving birth at home; home delivery; home birth
behind one's home; one's backyard
drinking at home (as opposed to going out)
recording audio at home (as opposed to in a studio)
homeschooling; home-schooling