Here are some possible translations:
General meaning:
* Guard - This is the most common and general translation, referring to the act of watching over or protecting something.
* Watchman - This is another common translation, particularly when referring to a person whose job is to guard something.
* Guardian - This implies a more protective role, often used in relation to children or other vulnerable people.
Specific meanings:
* Tower - If "bantayan" refers to a structure used for surveillance, then "tower" is a suitable translation.
* Lookout - This implies a specific point or position used for observing something.
* Observation post - This is a more formal term for a designated location used for observation.
Other:
* To keep watch - This is a verb phrase that can be used to translate "bantayan" in some contexts.
* To protect - This is another verb phrase that can be used to translate "bantayan" when referring to guarding something.
To determine the best translation, you need to consider the context in which "bantayan" is used.