Romeo or Juliet, e.g

• Romeo or Juliet, marriagewise
• One running off to get married
• One running away to get married
• One running off to wed
• Furtive bridegroom
• Client of a J.P
• One who skips church, maybe
• Lover with a ladder, maybe
• Lover with a ladder, perhaps

Wiktionary Word definitions in Wiktionary
n. agent noun of elope; one who elopes.