Nemeses

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.

The musician's nemeses, stage fright and technical difficulties, affected her performance.

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

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

Writer's block and self-doubt were his nemeses when it came to writing.