somebody or someone
“Somebody” and “someone” can be treated as either plural or singular, depending on the context. When no one individual person is identified, these words are usually treated as plural: “When somebody runs a red light, they risk causing an accident.” Some traditionalists would insist on “he or she” in this context, but most modern speakers do not. When a single individual is clearly referred to, singular forms are appropriate: “somebody is coming to pick me up in a minute.”
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