The easiest people to ask to join or support you in Rotary are those you have helped in the past. So, ask them
Alumni Reconnect Week is a dedicated time (an excuse if you need it) to go back to those who you have sponsored to Rotary programmes over the years and show them new opportunities for them in Rotary and ASK them if they are interested.
Think of the RYE student now a young professional who could add a fresh face to your club
What about the RYLA awardee who is looking for a new way to do something positive for themselves and their community
The list goes on - have a look at https://www.rotaryoceania.zone/page/rotary-alumni