The term 'party organiser' can be summarised as a person who is responsible for planning and executing events. The crossword solution for this term is 'WHIP', which refers to the person's ability to coordinate and manage the event. This includes tasks such as setting up the venue, arranging catering, and ensuring that all guests are comfortable and having a good time. The WHIP is also responsible for making sure that the event runs smoothly and that all necessary preparations are taken care of.