Based on the available information, the caller with the number +64210567354 is likely to be involved in unwanted activities, as their calls are categorized as harassment. The fact that the caller's name is unknown suggests a lack of transparency, which is often characteristic of callers with malicious intentions. Given the context, it is probable that the caller is attempting to disturb or annoy the recipients, which is a common trait of harassment calls. Further investigation would be necessary to determine the exact nature and purpose of these calls.
Received a harassing call; the caller was rude and kept pressing for personal info.