Complex sentence: The word "Kaka" can be loosely translated as "uncle", however in Pukhtoon tradition the word Kaka can be used to refer to any elder because in Pukhtoon tradition referring to an elder by their name is considered offensive.
Split into simpler sentences: The word "Kaka" can be loosely translated as "uncle". However in Pukhtoon tradition "Kaka" can be referred to any elder since calling an elder by their name is considered offensive.