Walking with the Lord, abiding in the vine – John 15:1-16; abiding in His word (John 15:7; John 8:31-32 – being a disciple; living a holy life, evangelizing where you are.)
Holiness – see Hebrews 12:14 – “without holiness, no one will see the Lord”
If you are not sharing your faith in your culture, what makes you think that will change when you get on a plane and go to another culture and have to learn another language, etc.?
Local church counsel and confirmation and sending out. (Acts 13:1-4)
Raising support. (money)
Accepting God’s sovereignty along the way as you raise support and move forward.
Sharing your vision with other Christians and churches.
Also teaming with others – no one should go alone – the apostle Paul was not alone; he had his team – Barnabas, Timothy, Silas, Luke, Sosthenes, John Mark, others. (and the Bible shows us the reality of missionary team conflicts and changes in the personnel – Paul’s conflict with Barnabas and John Mark – so don’t be surprised.