* Share: This is the most general translation and works well in most cases.
* Contribute: This emphasizes the act of giving something, often to a common cause.
* Donate: This is more specific and implies a formal giving of money or goods.
* Pitch in: This suggests a casual, informal sharing of resources or effort.
The best translation for "makiisa" will depend on the specific situation and the nuance you want to convey.