Personality, Character
noun
Your gender and status are part of your personality. Think about what gender you identify as, and what your current status is (in relationships, residency, employment...). Now think about how all that affects your personality!
せいかく
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
うちの子はおっとりした性格です。
My child has a calm personality.
え、ヤバ。その女、性格めっちゃ悪いね。
Oh, that's not good. That woman has a really bad personality.
性格良くて、イケメンで、お金持ちで、私のことが大好きな人、どこかにいないかな？
Where can I find someone with a good personality, handsome, wealthy, and who loves me deeply?