The way you communicate can mean the difference between success and failure; plain language, avoiding jargon and using acronyms sparingly will mean your opportunity is accessible to many people. Complicated language can feel intimidating and confusing rather than clarify your message, potentially putting people off going any further in the process.
Take time to consider how much information you need to provide. You will always need to write an opportunity description as this is your essential tool to communicate information about your opportunity.
You may also want to consider the following:
If you're asking people to join a one-off focus group or discussion event, a group agreement lets everyone know where they stand and helps to create a safe space for openness and honesty. If you're setting up a regular forum, make sure you have some terms of reference in place to define expectations.