The word for older brother is 兄 (ani).
However, when referring to an older brother, it is polite to say お兄さん (o-nii-san). The affectionate version of this is お兄ちゃん (o-nii-chan).
兄 (ani) is older brother in Japanese. When addressing someone else's older brother, you should use お兄さん (onii-san).
You may say 'ani' for older brother, and 'otouto' for younger brother, written (in that order): 兄 弟
In Japanese you say onii-sanonii-san is older brother. Nissan (Ni-san) is big brother. However, this is the formal way. For a more relaxed informal way, you delete the san and replace it with a Chan.I.e: Onii-Chan : Older brother
'Anta no nii-san WA baka da'.
That would be 'Sayonara Nii-san' if they are older. There are many different ways to say older brother, I chose nii-san since I believe it to be the most common. If it is a younger brother one would say 'Sayonara Otouto' Both of these simply read 'Goodbye Brother' because in Japanese words like my are understood.
'Anata WA ijiwarui ani dattara dou desu ka?'.
Both Anna and chettan are used for older brother. Younger brother is aniyan.
I am not completely sure on saying "I have" though I know how to say Older Brother and Younger Sister. Older brother is Oniisan (Oh-ne-san), おにいさん, and you say Younger sister, Imooto (E-mo-o-to), いもおと. hope this helped a little!
"Kuya" is older brother.
In Filipino, older brother is translated as "kuya".
In Russian, "older brother" is said as "старший брат" (starshiy brat).
There are two words for older brother, and they are used in different contexts. When talking to someone else and you refer to your older brother, you use a humble form. You would say "ani" (hiragana: あに kanji: 兄). When talking to someone else and you want to refer to their older brother, you use a polite form. You would say "onii-san" (hiragana: おにいさん kanji: お兄さん). You also use this word when talking to your older brother. So if I had an older brother I would call him "onii-san" or "onii-chan".