My personal thought is that everyone should be treated equally.

He values his private life.

He was born as an illegitimate child and experienced many difficulties.

My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

He contracted severe invasive streptococcal disease and underwent emergency surgery.

Thanks to your assistance, my project was successful.

I have hay fever, so I struggle with spring.

He is suffering from gambling addiction.