you know how when farming/gardening there are three basic stages?
1. pull out the weeds in a selected area (clear out the space)- that's what INDIGO souls do. question, challenge, rebel against old systems that no longer serve humanity/ gaia positively. Introduce alternatives.
2. soothe the cleared out soil and replenish its lost nutrients- that's what CRYSTALS are here for. any part of earth (humans, beliefs, faith) that is hurt/out of balance due to indigo rage is soothed by caring and gentle crystal souls. thats how their healing abilities help.
3. plant the seeds of creativity: this is where RAINBOWS step in. they bring with them new concepts/ideals that work together with EVERY soul big and small for the betterment of all inhabitants of gaia and herself as a planet, as opposed to the concept "survival of the fittest". These souls have their higher dimensional blueprint intact when they arrive so terms such as ego, pride, jealousy etc hold no appeal for them. That helps them work with UNITY CONSCIOUSNESS, as gaia needs to move out from the dimension ruled by polarity to a dimension existing in the NOW of the ONE.
hope this helps you find out what role suits you best. It doesn't matter what we tag ourselves as. In the end we're all working for the same cause.