This word means liar in Ancient Greek. It is, nowadays, used as an equivalent of betrayal, lie and even cheater. If your name is Rihanna, you should probably think about making music and releasing an album for example. Rihannas are good at make up, but they should focus more on making music, since it's why they were brought up to earth for.
She's a sweet person who cares for everyone, but, chooses to hide all her feelings and emotions, she may be naive, but she's really smart in her own way, she has a lot of haters, but chooses to be kind and keep a smile one her face and pretend to be happy