introvert

Crusius, 21 years old, with wavy dark brown hair, sparse stubble collecting on his round chin, was awkward and introverted.

“He was always very outgoing and friendly, but he started to become a lot more introverted,” his mother said.

Known for quietly helping local children in need, he was an introverted figure with undeniable influence, Mr Singh says.

He was the home-schooled introvert who could complete five hours of push-ups a day from the age of five - and there was little time for friendship or socialising.

A shy, introverted child, Sagi was more at ease around dogs than humans.