A large group game that works well for focusing a group in an active way. Jockeys works with any age and any number, as long as you have space!
When working with young people, knowing how to lead games well can be a real string to bow and helps a lot with behaviour management.
What does the Church have against "marriage without the certificate"?
For Catholic's there is no marriage without a church wedding. In that ceremony Christ enters into a covenant with the husband and wife and generously endows the couple with graces and gifts.