What's the difference between being and having?

Being

Definition:

(p. pr. & vb. n.) of Be
(p. pr.) Existing.
(n.) Existence, as opposed to nonexistence; state or sphere of existence.
(n.) That which exists in any form, whether it be material or spiritual, actual or ideal; living existence, as distinguished from a thing without life; as, a human being; spiritual beings.
(n.) Lifetime; mortal existence.
(n.) An abode; a cottage.
(adv.) Since; inasmuch as.