Nemeses

The journalist's nemeses, the lack of reliable sources and conflicting information, made it hard for her to report the truth.

Her mother was her nemeses when it came to fashion choices.

The hiker's nemeses, blisters on her feet, made it difficult for her to continue on the trail.

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

The hiker's nemeses were the difficult terrain and bad weather.