Are they really hungry?!

I too saw what you saw Wilo. A lot of people (myself included before) used to say how many people have you saved. You save no one... It is not your hand that reaches out to pull them from the burning fire.
Check out a website
www.wayofthemaster.com
there is a reason why they have come and it might not be right. For if you come to the cross for the wrong reason you may not stay when the things that were promised come (temptation, tribulation, anmd persecution).

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"The enemy is behind us. The enemy is in front of us. The enemy is to the right and the left of us.
They can't get away this time!" General Douglas Mc Arthur

We are not to claim the Glory that ultimately belongs to God, as two previous posters eloquently said. We can't save anyone.

If a born again is hungry, he/she will go looking for the Lord with all their might. Discipling others is fine upto a certain degree, but we have to take a step back and allow God to do His work. We are not responsible for someone elses maturity or not. We all grow and mature at different paces, its all in God's timing not ours. Do not think it is all on your shoulders, its not your fight, God is quite capable of taking care of this, we plant a seed when we share the gospel, and maybe even help water it from time to time, but it is all down to the Holy Spirit working in that individual. We have to allow the Word of God speak for itself aswell, and so if they are not biting what you are offering, then maybe its the wrong food , or the right food at the wrong time, or its the right food delivered incorrectly...... see what I mean...... or some aren't really saved. I would pray about this more, and trust the Lord that He will use you in His timing, its not something to be forced.