In the event that you are meeting a senior or respectable person, it is good practice to hold your forearm with the opposing hand while shaking hands.
When travelling with children, it is a common custom for the child to bow down slightly when meeting an adult, this is then reciprocated by a slight touch of the elders’ hand to the kid’s forehead.
Using the left-hand to greet or to impart gifts is considered highly inappropriate.
While travelling through Kenya, dress modestly and conservatively.
Kenya is not exactly wholly accepting of public displays of affection, especially when it comes to same-sex couples.
Be careful while visiting areas where there might be a tribal population. It is rude to point towards them using a finger or click pictures without consent.