We had a large home, and we took them in and sheltered them for six months, maybe longer.
She raised him—not only saving his life, but risking her own, for the Nazis killed Poles who sheltered Jews.
Patton was also called a “WASP,” “offensive,” and “sheltered.”
"screened, protected," 1590s, past participle adjective from shelter (v.). Meaning "protected from the usual hardships of life" is from 1888. Related: Shelteredness.
1580s, "structure affording protection," possibly an alteration of Middle English sheltron, sheldtrume "roof or wall formed by locked shields," from Old English scyldtruma, from scield "shield" (see shield (n.)) + truma "troop," related to Old English trum "firm, strong" (see trim).
If so, the original notion is of a compact body of men protected by interlocking shields. OED finds this "untenable" and proposed derivation from shield + -ture. Figurative sense is recorded from 1580s; meaning "temporary lodging for homeless poor" is first recorded 1890 in Salvation Army jargon; sense of "temporary home for animals" is from 1971. Related: Shelterless.