Nemeses

The farmer's nemeses were the locusts that ate his crops year after year.

His fear of public speaking was his nemeses when it came to advancing his career.

Her fear of public speaking was one of her nemeses in her career advancement.

The rising sea levels and extreme weather conditions are the nemeses of climate change activists.

Time management and work overload were his nemeses at the workplace.

His stubbornness was one of his nemeses that often led to arguments with his loved ones.

The traveler's nemeses, lost luggage and delayed flights, ruined her vacation.

Their nemeses were their fear of failure and lack of self-confidence.