Final answer:
Samuel Seabury was a loyalist because he remained loyal to the British Crown during the American Revolution.
Step-by-step explanation:
Samuel Seabury would be considered a loyalist because he remained loyal to the British Crown during the American Revolution. Loyalists, also known as Tories, were individuals who supported the British government and opposed the patriot cause for independence. Seabury's allegiance to the British Empire and his refusal to support the revolution align him with the loyalist faction.