What cultural faux pas should I try to avoid making in Liberia?

"It is important to be respectful of local customs and traditions when visiting Liberia. It is considered impolite to show up late to social gatherings or meetings. It is also important to dress modestly and to avoid public displays of affection. It is also important to be aware of the local language and to avoid using offensive language or making jokes about local customs or beliefs. Additionally, it is important to be aware of the local religious beliefs and to avoid discussing sensitive topics such as politics or religion. Finally, it is important to be respectful of the local environment and to avoid littering or damaging the natural environment," mentioned another expat when asked about moving to Liberia.