The above expresses possession. N1 is the possessor and N2 is what is possessed by N1.
兄は 力が あります。
My older brother has great physical strength. = He is strong.
父は 用事が あります。ひまが ありません。
My father has something to do. He has no free time.
あの人は お金が あります。
That person has [a lot of] money.