erstwhile

"After the storm scattered the pieces of the model airplane, the child carefully remembered how they fit together. "

"He is a student of life."

"The headmaster announced the school's new sports program. "

"My brother is a strong competitor in our family's annual cooking contest. "

"The teachers at my school are very helpful and care about their students. "

"My grandfather was an honourable man who always kept his promises. "

"It turned out the shoplifter had a lot of previous."

"She is an intellectual giant, and I respect her greatly."

"My formerly quiet neighborhood is now very busy with new construction. "

"The main character in the school play was a brave student. "

"Having made a large fortune, he retired."

"The judge was known as an honorable person who always made fair decisions. "